Photoelectric cell with heat sink

Claim 1

A PHOTOELECTRIC CELL, COMPRISING A PHOTOCONDUCTIVE DISK-LIKE WAFER HAVING A PERIPHERAL WALL AND TWO OPPOSING SIDES, A MASSIVE THERMALLY CONDUCTIVE TUBULAR SHELL OPEN AT BOTH ENDS, SAID SHELL HAVING ONE TENSIONED END PORTION EXTENDING AROUND SAID WAFER IN VIRTUAL HERMETIC SEALING ENGAGEMENT WITH THE ENTIRE PERIPHERY OF THE WAFER, SAID SHELL HAVING ANOTHER END PORTION EXTENDING AXIALLY AWAY FROM ONE SIDE OF THE WAFER TO DEFINE A CHAMBER THEREWITH, AND A MASSIVE, TRANSPARENT, SOLID BODY CONSTITUTING A LENS FILLING SAID CHAMBER, SAID OTHER END PORTION OF THE SHELL HAVING ITS INNER SIDE DISPOSED IN TENSIONED HERMETIC SEALING ENGAGEMENT WITH THE PERIPHERY OF SAID BODY, SAID SHELL HAVING LESS THERMAL INERTIA AND MORE THERMAL CONDUCTIVITY THAN BOTH SAID WAFER AND SAID BODY, WHEREBY SAID SHELL SERVES AS A HEAT SINK TO CONDUCT HEAT AWAY FROM SAID WAFER AND SAID BODY AND EFFECTIVELY PROTECT THE WAFER FROM DAMAGE BY SAID HEAT.